Gottfried, Byron S.
Schaum`s outline of theory and problems of programming with BASIC : including microcomputer basic
McGraw-Hill, 1982
 Buku Teks
Barnard, David T.
PL/1 programming problems and applications
Reston Publishing Company, Inc., 1982
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Newcomer, Lawrence R.
Schaum's outline of theory and problems of programming with structured Cobol
McGraw-Hill, 1984
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Maynard, Jeff
Modular programming
Butterworth, 1972
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Morgan, Carroll, 1952-
Programming for specifications
Prentice-Hall, 1994
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